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Where to do high pressure testing for pipes??? 1

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pWr93

Nuclear
Apr 28, 2018
3
I'm designing a piping system with a manufacturer and need to test these pipes to 4000 psi. The manufacturers told me I need to get it done by a company that has special certifications. I'm kind of lost here. Does anyone know companies that can provide this service, something I can buy to do the testing myself, or even a how to guide on building something myself. I feel like the safest option is having a company do it but I'm strapped for time and open to any other suggestions.
 
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Why is your client being so opaque?
They should know exactly what certifications are necessary,
and they should know at least one outfit that can do the work.


Mike Halloran
Pembroke Pines, FL, USA
 
pWr93
You wrote: "I'm designing a piping system...."
Tell us more.
What kind of test are you talking about (Hydrotest or some other)?
Is this "System" in place at a fixed site and therefore is not portable?
Or
Is this a Skid mounted/portable Unit that can be transported to a Test facility?
What "ASME Code" was used as the basis for the Engineering and Design?
What are the pipe sizes and ratings involved in this unit?
What is the material of the piping?
What is the basic construction method for this piping (Tubing, Socket Welded, Butt Welded and Flanged)?
Is there Equipment that will or will not be included in the Test?


Sometimes its possible to do all the right things and still get bad results
 
You should clarify the responsibility with the Manufacturer you want to work with. In order to comply with the QA/QC, you should find a quality manufacturer who can fabricate and test the piping system. And, it saves your time to only deal with a single vendor to complete your piping system.
 
pWr93,
Hydrotesting a piping system is a technique that must be fully understood, planned, written, recorded and certified. Some elements of the hydrotesting of a piping system are:

-Develop hydrotest isos showing sub-systems that will be tested separately. Show terminal points, high vent, low drain points with test parameters like test pressure, duration.
-Write a plan (keeping in mind the construction code and the local jurisdiction requirement. Plan should include qualification of personnel, roles, data, drawings, graphs showing pressure rise, test duration.
-Get approved the plan by Owner/Juridication.
-Do the hydrotest.
-Certify.
-Handover records/binders to the Owner.

If you have the expertise, go ahead and do it. If not look for a local construction company who have resources to do it.


Ganga D. Deka, P. Eng
Canada
 
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